20805076

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16103}}^1$

素因数の和:16143

約数の個数: 24

約数和(自身を含む): 40582080

約数和(自身を除く): 19777004

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 16103, 32206, 64412, 273751, 305957, 547502, 611914, 1095004, 1223828, 5201269, 10402538, 20805076]

約数ペア:

[(1, 20805076), (2, 10402538), (4, 5201269), (17, 1223828), (19, 1095004), (34, 611914), (38, 547502), (68, 305957), (76, 273751), (323, 64412), (646, 32206), (1292, 16103)]